X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F830118C.c;fp=boards%2F830118C.c;h=8b6ce6007473cbadfc9c19eebbd3cbb18b42c338;hp=0000000000000000000000000000000000000000;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf diff --git a/boards/830118C.c b/boards/830118C.c new file mode 100644 index 0000000..8b6ce60 --- /dev/null +++ b/boards/830118C.c @@ -0,0 +1,82 @@ +/* FCE Ultra - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2008 CaH4e3 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +// M-022 MMC3 based 830118C T-106 4M + 4M + +#include "mapinc.h" +#include "mmc3.h" + +static uint8 reset_flag = 0; + +static void BMC830118CCW(uint32 A, uint8 V) +{ + setchr1(A,(V&0x7F)|((EXPREGS[0]&0x0c)<<5)); +} + +static void BMC830118CPW(uint32 A, uint8 V) +{ + if((EXPREGS[0]&0x0C)==0x0C) + { + if(A==0x8000) + { + setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2)); + setprg8(0xC000,(V&0x0F)|0x32); + } + else if(A==0xA000) + { + setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2)); + setprg8(0xE000,(V&0x0F)|0x32); + } + } + else + { + setprg8(A,(V&0x0F)|((EXPREGS[0]&0x0c)<<2)); + } +} + +static DECLFW(BMC830118CLoWrite) +{ + EXPREGS[0] = V; + FixMMC3PRG(MMC3_cmd); + FixMMC3CHR(MMC3_cmd); +} + +static void BMC830118CReset(void) +{ + EXPREGS[0]=0; + MMC3RegReset(); +} + +static void BMC830118CPower(void) +{ + EXPREGS[0] = 0; + GenMMC3Power(); + SetWriteHandler(0x6800,0x68FF,BMC830118CLoWrite); +} + +void BMC830118C_Init(CartInfo *info) +{ + GenMMC3_Init(info, 128, 128, 8, 0); + pwrap=BMC830118CPW; + cwrap=BMC830118CCW; + info->Power=BMC830118CPower; + info->Reset=BMC830118CReset; + AddExState(EXPREGS, 1, 0, "EXPR"); +}